21c squared-40
that's your answer.
Answer:
4.5
Step-by-step explanation:
Let the number be x
6x-14 = 40
Add 14
6x = 40+14
6x = 54
Divide by 6
6x/6 = 54/6
x = 9
We want 1/2 of the number
1/2 of 9 is 4.5
-4 - 7 divide 8n thats the answer
Answer:
x=6
Step-by-step explanation:
2(x-1)=x+4 multiply 2 to x and -1
2x-2=x+4 put your variables and numbers on the same sides by + or -
x=6 there's your answer! :)
If you mean two of the same numbers that add to make 75, it's 37.5 ....?